Hierarchical 2D yarn-ball like metal–organic framework NiFe(dobpdc) as bifunctional electrocatalyst for efficient overall electrocatalytic water splitting

MOF electrocatalyst, NiFe(dobpdc) (dobpdc = 4,4′-dioxidobiphenyl-3,3′-dicarboxylate), has a 2D nanosheets structure with large pore size, high surface area and exhibits electrocatalytic activity for OER and HER with extremely low overpotentials.